diff options
Diffstat (limited to 'arch/powerpc/kernel/machine_kexec_64.c')
| -rw-r--r-- | arch/powerpc/kernel/machine_kexec_64.c | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/arch/powerpc/kernel/machine_kexec_64.c b/arch/powerpc/kernel/machine_kexec_64.c index b438d45a068..b6db19d6143 100644 --- a/arch/powerpc/kernel/machine_kexec_64.c +++ b/arch/powerpc/kernel/machine_kexec_64.c @@ -21,7 +21,6 @@ #include <asm/machdep.h> #include <asm/cacheflush.h> #include <asm/paca.h> -#include <asm/lmb.h> #include <asm/mmu.h> #include <asm/sections.h> /* _end */ #include <asm/prom.h> @@ -385,58 +384,3 @@ static int __init kexec_setup(void) return 0; } __initcall(kexec_setup); - -static int __init early_parse_crashk(char *p) -{ - unsigned long size; - - if (!p) - return 1; - - size = memparse(p, &p); - - if (*p == '@') - crashk_res.start = memparse(p + 1, &p); - else - crashk_res.start = KDUMP_KERNELBASE; - - crashk_res.end = crashk_res.start + size - 1; - - return 0; -} -early_param("crashkernel", early_parse_crashk); - -void __init reserve_crashkernel(void) -{ - unsigned long size; - - if (crashk_res.start == 0) - return; - - /* We might have got these values via the command line or the - * device tree, either way sanitise them now. */ - - size = crashk_res.end - crashk_res.start + 1; - - if (crashk_res.start != KDUMP_KERNELBASE) - printk("Crash kernel location must be 0x%x\n", - KDUMP_KERNELBASE); - - crashk_res.start = KDUMP_KERNELBASE; - size = PAGE_ALIGN(size); - crashk_res.end = crashk_res.start + size - 1; - - /* Crash kernel trumps memory limit */ - if (memory_limit && memory_limit <= crashk_res.end) { - memory_limit = crashk_res.end + 1; - printk("Adjusted memory limit for crashkernel, now 0x%lx\n", - memory_limit); - } - - lmb_reserve(crashk_res.start, size); -} - -int overlaps_crashkernel(unsigned long start, unsigned long size) -{ - return (start + size) > crashk_res.start && start <= crashk_res.end; -} |